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  2. Damath - Wikipedia

    en.wikipedia.org/wiki/Damath

    Damath was invented by Jesus Huenda, a teacher in the province of Sorsogon, Philippines, who had encountered problems in teaching math using traditional teaching methods. Inspired in part by an investigatory project called “Dama de Numero” submitted by a student (Emilio Hina Jr.) in 1975, Huenda overhauled the game and introduced it to his ...

  3. International Mathematical Olympiad selection process

    en.wikipedia.org/wiki/International_Mathematical...

    Approximately 10% of the competing students are selected for the second selection, which is held in January. The examination consist of 10 problems, giving 10 points for each correct answer, who are integers between zero and one thousand. 20 students are then selected for a final four-hour-long examination consisting of four problems.

  4. Integer - Wikipedia

    en.wikipedia.org/wiki/Integer

    The integers arranged on a number line. An integer is the number zero , a positive natural number (1, 2, 3, . . .), or the negation of a positive natural number (−1, −2, −3, . . .). [1] The negations or additive inverses of the positive natural numbers are referred to as negative integers. [2]

  5. Seventh grade - Wikipedia

    en.wikipedia.org/wiki/Seventh_grade

    Seventh grade (also 7th Grade or Grade 7) is the seventh year of formal or compulsory education. The seventh grade is typically the first or second year of middle school. In the United States, kids in seventh grade are usually around 12–13 years old. Different terms and numbers are used in other parts of the world.

  6. National Super Quiz Bee - Wikipedia

    en.wikipedia.org/wiki/National_Super_Quiz_Bee

    As is common in televised academic quiz formats in the Philippines, which promote the 'give-chance-to-others' concept, an individual could become Grand Champion only once per level. This means that winning the elementary Grand Championship twice was not allowed, but winning 1 elementary and 1 high school Grand Championship is.

  7. Singapore math - Wikipedia

    en.wikipedia.org/wiki/Singapore_math

    Compared to a traditional U.S. math curriculum, Singapore math focuses on fewer topics but covers them in greater detail. [3] Each semester-level Singapore math textbook builds upon prior knowledge and skills, with students mastering them before moving on to the next grade.

  8. Construction of the real numbers - Wikipedia

    en.wikipedia.org/wiki/Construction_of_the_real...

    An axiomatic definition of the real numbers consists of defining them as the elements of a complete ordered field. [2] [3] [4] This means the following: The real numbers form a set, commonly denoted , containing two distinguished elements denoted 0 and 1, and on which are defined two binary operations and one binary relation; the operations are called addition and multiplication of real ...

  9. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    For example, in the decimal system (base 10), the numeral 4327 means (4×10 3) + (3×10 2) + (2×10 1) + (7×10 0), noting that 10 0 = 1. In general, if b is the base, one writes a number in the numeral system of base b by expressing it in the form a n b n + a n − 1 b n − 1 + a n − 2 b n − 2 + ... + a 0 b 0 and writing the enumerated ...